Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Calibration or verification? A balanced approach for science

C T Myers1, D M Kennedy

  • 1Upper Mississippi Science Center, U.S. Geological Survey, La Crosse. WI 54602-0818, USA.

Quality Assurance (San Diego, Calif.)
|July 22, 1998
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Genetic investigations of the epileptic encephalopathies: Recent advances.

Progress in brain research·2016
Same author

Convergence of HbA1c values towards target in 272 primary care patients following nine years of target-driven care.

Quality in primary care·2013
Same author

Measurement properties of the WOMAC LK 3.1 pain scale.

Osteoarthritis and cartilage·2006
Same author

Maternal serum screening for trisomy 18: assessing different statistical models to optimize detection rates.

Prenatal diagnosis·2000
Same author

Measurement of urinary free cortisol using the Acs:180 serum cortisol chemiluminescent immunoassay.

Annals of clinical biochemistry·2000
Same author

Impact of preinjury warfarin use in elderly trauma patients.

The Journal of trauma·2000

Accurate weighing requires regular balance calibration. This study addresses calibration frequency, verification, and the importance of defining tolerance limits, offering a practical model for laboratories.

Area of Science:

  • Analytical Chemistry
  • Laboratory Metrology

Background:

  • Balance calibration is essential for accurate mass determination in laboratory and field settings.
  • Current standard procedures lack defined tolerance limits for balance calibration.
  • Calibration and verification frequency are dictated by balance usage and location.

Purpose of the Study:

  • To survey current practices regarding balance calibration and verification frequency.
  • To highlight the significance of establishing defined tolerance limits for balances.
  • To provide a practical working model for balance calibration procedures.

Main Methods:

  • Conducted a survey on balance calibration and verification practices.
  • Reviewed standard procedure manuals for existing tolerance limits.

Related Experiment Videos

  • Developed a working model based on internal laboratory procedures.

    • Main Results:

    • Tolerance limits for balances were not found in standard procedure manuals.
    • Survey data informed the discussion on calibration and verification frequency.
    • A working model for balance calibration was developed.

    Conclusions:

    • Establishing defined tolerance limits is crucial for accurate balance use.
    • The proposed working model offers guidance for laboratories needing calibration procedures.
    • Consistent calibration and verification ensure reliable measurements.